PPARG and cancer: While PPARG has been classically regarded as a master regulator of adipogenesis (Lehrke & Lazar, 2005), more recent studies have implicated it in various cellular processes, including proliferation, apoptosis, angiogenesis, and cancer (DuBois et al, 1998; Wada et al, 2006; Tian et al, 2009; Meng et al, 2011; Yuan et al, 2012).